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#include <iostream>
#include "type.h"
#include "operation/math.h"
#include "list/list.h"
#include "list/operation/higher/filter.h"
#include "list/generator/iota.h"
#include "runtime/list/for_each.h"
// (define candidates (iota 1000 2 1))
using candidates = tav::Iota<tav::Size<1000>, tav::Int<2>, tav::Int<1>>::type;
// (define (isMultipleOf candidate base) (= (modulo candidate base) 0))
template <
typename Candidate,
typename Base
>
using isMultipleOf = tav::EqualValue<
tav::Modulo<Candidate, Base>,
tav::Int<0>
>;
// (define (removeMultiplesOf candidates base)
// (remove (lambda (x) (isMultipleOf x base))
// candidates))
template <
typename Candidates,
typename Base
>
using removeMultiplesOf = tav::Remove<
tav::Apply<isMultipleOf, tav::_0, Base>::template single_type,
Candidates
>;
// (define (sieve candidates)
// (cond ((null-list? candidates) (list))
// (else (cons (car candidates)
// (sieve (removeMultiplesOf (cdr candidates)
// (car candidates)))))))
template <typename Candidates>
struct Sieve {
typedef typename tav::Cons<
tav::Head<Candidates>,
typename Sieve<
typename removeMultiplesOf<
tav::Tail<Candidates>,
tav::Head<Candidates>
>::type
>::type
>::type type;
};
template <>
struct Sieve<void> {
typedef void type;
};
// (define primes (sieve candidates))
using primes = Sieve<candidates>::type;
int main(int, char **) {
tav::runtime::for_each<primes>([](const int x) {
std::cout << x << std::endl;
});
}
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